PRIMECLUSTER implements a symmetric software architecture: All cluster information is fully replicated across nodes, thus avoiding single software points of failure. PRIMECLUSTER also supports multiple redundant interconnects, avoiding single hardware points of failure. RMS, the PRIMECLUSTER high availability manager, ensures the availability of applications by restarting or recovering applications on other nodes if there is a node failure. PRIMECLUSTER also includes an optional network load-balancing module (GLS) that can improve network availability.
If two or more points fail at the same time, a failover of the user application may not occur to protect data integrity.